Here are the training material related to the schools dedicated to the MaX flagship codes:
Electronic structure calculations using plane waves
Lecture notes and tutorials of QE schools: http://www.quantum-espresso.org/resources/tutorials
Lectures from the High-Performance & High-Throughput Materials Simulations using Quantum ESPRESSO and AiiDA - ICTP Trieste (2017)
Efficient density-functional calculations with atomic orbitals
Lecture notes and tutorials of Siesta schools: https://departments.icmab.es/leem/SIESTA_MATERIAL/Docs/Tutorials/index.html
Full Potential Linearized Augmented Plane Wave Method: A DFT all-electron method
All electron DFT with Fleur - a Hands-on Tutorial (2021): lecture videos and materials, hands-on material
Lectures from the school Picking flowers: Hands-on FLEUR - Juelich (2019)
Lecture notes: https://juser.fz-juelich.de/record/151915/files/
Lecture notes and tutorials of Fleur schools: https://www.flapw.de/MaX-5.0/tutorials/
Many Body Perturbation Theory
Virtual school on Electronic excitations in solids and nanostructures using the Yambo code (2021): lectures videos and hands-on tutorials
Computational School on Electronic Excitations in Novel Materials Using the Yambo Code (2020): lectures videos and materials
Lecture notes on MBPT theoretical background, Quasi particle correction (GW) and absorption spectroscopy (TDDFT and BSE): http://www.yambo-code.org/wiki/index.php?title=Lectures
Advanced computing of excited state properties in solids and nanostructures with Yambo (2017): http://www.yambo-code.org/wiki/index.php?title=ICTP2020
A collection of other tutorials can be found here: http://www.yambo-code.org/wiki/index.php?title=Tutorials
AiiDA lecture notes and tutorials
All the tutorial materials: https://aiida-tutorials.readthedocs.io/en/latest/
Tutorial on writing reproducible workflows for computational materials science (2019): lectures videos and materials
Materials Cloud
Learn section: https://www.materialscloud.org/learn/sections
Path Integral techniques for the atomic-scale modelling of the quantum behavior of materials and molecules. (i-PI)
Tutorial: https://github.com/cosmo-epfl/pimd-tutorial